How to mend ... Glow Worm Red

Glow-worm ultimate 50FF?

Hi, we have just arrived back from holiday where the hot water/central heating system was switched off for one... [Read more]

Stuck wiring glow worm ultimate 70ff boiler?

I have a glow worm ultimate boiler and my system is a Danfoss heatplan pack with programmer and (2 x 2 port va... [Read more]

boiler pressure?

had a Glow-worm 36he condensing boiler fitted but needs pressere to be at 1.5 bar before it will fire up think... [Read more]

Boiler pressure?

had a Glow-worm 36he condensing boiler fitted but needs pressere to be at 1.5 before it will fire up hence ru... [Read more]

Code appeared in Glow-worm Boiler display F5?????

glowworm 18hxI conventional boiler, with red light flashing F5 in digital window?

Glow-worm 18sxi problems - HELP!?

Hi We bled the rads on Friday evening, lots of air in system. Later that evening boiler refused to work, 0... [Read more]

how can i fix it its a glow worm?

red light flashing saying the radiator are only half full but there are all full

Glow worm ultimate keeps going out?

Our Glow worm ultimate is about 5 years old, it keeps tripping out and shutting down. It will restart on the s... [Read more]

hoe can I get the pressure up! Glow worm 24cxi boiler?

Pressure had dropped.Reason unknown (not used much during the summer) and pressure dropped below 0.7 bar (shou... [Read more]

what does 4 bar with red flashing light mean?

I have a glow worm 38cxi bioler system which has just stopped working??On the front there is a flasing red lig... [Read more]

Glowworm / Glow worm compact 80e locking out not working !!?

Hi I have a new compact 80e installed which I bought about 1 year ago. The boiler was a surplus and had bee... [Read more]

glow worm 30cxi?

having a f9 fault on my boiler with red light flashing system at 1.2 bar and have renewed low pressure sensor ... [Read more]

How can i fix my glow worm 24cxi boiler?

Can anyone tell me what the problem with my glow worm 24cxi boiler is? in the pressure bar window it is flashi... [Read more]

how do i fill my glow worm 30cxi?

ive tryed filling it up by turning the blue tap under neath but nothing seems to be happing the red light is f... [Read more]

Glow worm 30ci Fault F12?

Hi the display is showing a F12 with red light flashing the boiler is not working at all any advise?Thanks Bil... [Read more]

glow worm 30cxi?

i had a leak underneath my radiator i fixed the leak but now i cant put the pressure up? it shows 0 bar pressu... [Read more]

glow worm 30cxi no pressure?

i had a leak underneath my radiator i fixed the leak but now i cant put the pressure up? it shows 0 bar pre... [Read more]

how can i fix my glow worm 30 cxi?

Hi, I have a glow worm 30cxi boiler and have a problem that hopefully someone can help with. The problem... [Read more]

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]

Glow worm (C30i) F5 flashing light?

Glow worm C30i combi gas boiler showing a red flashing light F5. No hot water & no heating. Tried re-setting,... [Read more]